Flue 3 : The pipe or duct through which combustion products are conveyed from a gas appliance to a discharge point, including any draught diverter and associated duct, barometric device, fan or other fittings in the duct
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}